Learn about solids, liquids, and gases using just water. Freeze water until it turns into ice. Then, with an adult heat the ice until it turns back into a liquid and eventually boils and becomes a gas.

Build models of two atoms and two molecules, using plastic foam balls or other objects.

Make a collection of igneous, metamorphic, and sedimentary rocks and label them.

Learn about a creature that lives in the ocean. Share what you have learned with your den or family.

Label a drawing or diagram of the bones of the human skeleton.

Make a model or poster of the solar system. Label the planets and the sun.

Do a scientific experiment in front of an audience. Explain your results.